[BUGFIX] Wait for element in page tree to disappear

Currently the clearFilterReloadsPageTreeWithoutFilterApplied
randomly fails due to a still existing element.
This seems to be caused by performance issues in CI.

This is now solved by waiting for the element to actually
disappear.

Resolves: #97749
Releases: main, 11.5
Change-Id: Ib417fc97dcff6ddf0f3c1370ffa419a79f21eba6
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74858
Tested-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>

typo3/sysext/core/Tests/Acceptance/Application/PageTree/PageTreeFilterCest.php

@@ -46,10 +46,9 @@ public function filterTreeForPage(ApplicationTester $I): void
     {
         $I->fillField($this->filterInputField, 'Group');
         $this->waitForPageTreeLoad($I);
-        $I->waitForElementNotVisible('//*[text()=\'inline expandsingle\']');
         // [#91884] no Enter key press on purpose. The search should start by itself without additional Enter key press
         // and this assertion makes sure the filter worked
-        $I->cantSee('inline expandsingle', $this->inPageTree);
+        $I->waitForElementNotVisible('//*[text()=\'inline expandsingle\']');
 
         $I->canSee('elements group', $this->inPageTree);
         $I->canSee('inline mngroup', $this->inPageTree);
@@ -72,17 +71,17 @@ public function clearFilterReloadsPageTreeWithoutFilterApplied(ApplicationTester
     {
         $I->fillField($this->filterInputField, 'Group');
         $this->waitForPageTreeLoad($I);
+        $I->waitForElementNotVisible('//*[text()=\'inline expandsingle\']');
 
         $I->canSee('elements group', $this->inPageTree);
         $I->canSee('inline mngroup', $this->inPageTree);
-        $I->cantSee('inline expandsingle', $this->inPageTree);
 
         $I->pressKey($this->filterInputField, WebDriverKeys::ESCAPE);
         $this->waitForPageTreeLoad($I);
 
+        $I->waitForElementVisible('//*[text()=\'inline expandsingle\']');
         $I->canSee('elements group', $this->inPageTree);
         $I->canSee('inline mngroup', $this->inPageTree);
-        $I->canSee('inline expandsingle', $this->inPageTree);
     }
 
     /**